Eeed-water apparatus fob



JOSEPH B. THOMPSON, OF \VA.RRENTON,

GEORGIA.

FEED-WATER APPARATUS 15201) STEAM-BOILERS.

Specification of Letters Patent No. 25,290, dated August 30, 1859.

To all whom it may concern:

Be it known that I, JOSEPH B. THOMPSON, of lVarrenton, in the county of Warren and State of Georgia, have invented a new and useful Improvement in the Mode of Feeding Vater into Steam-Boilers; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the annexed drawing, forming part of this specification, in the several figures of which similar characters of reference denote the same part.

Figure l is a top view of my improvement. Fig. 2 is an end view of the same with one end of the boiler removed so as to show the float inside. Fig. 23, is a vertical 'section on line m, through the center of the water chamber, and force pump.

This invention has for its object, regulating the feeding of the water into the steam boiler and its nature consists in a certain combination of devices for that purpose, the details of construction and operation being as follows. A

In the drawing A, represents the boiler,

having an inverted cup shaped float C, which This float is rises and falls with the water. attached by rod E, to lever F, having its fulcrum on at pivot on standard I-I, and balanced by a sliding weight D, on the end, and is connected at the other end by rod I, with the valve J, this valve being in the tube or water chamber G, which has a pipe (L, conveying the water to it from the water-tank B. There is also a force pump P, connected with the water chamber G, which supplies the water to the boiler through pipe b, so

that as the water in the boiler falls, the float O, falls with it and draws down the weighted end of lever F, which being connected by rod I, with the valve J, opens the valve and allows the water which flows into the chamber C, from tank B, through pipe a, to be conveyed by the force pump P, through pipe into the boiler, and as the water rises m The float O is hollow and shaped like an inverted frustum of a cone.

Having described my invention and the operation thereof, I disclaim the employment of a float to regulate the supply of feed water broadly considered, but

What I do claim and desire to secure by Letters Patent, is,-

The exterior water chamber G, communicating with the supply tank B, by pipe a, and with the boiler A, by force pump P, and pipe b, and provided with a valve J as set forth, in combination with the peculiarly constructed float- C, rods E, and I, and lever g, operating as and for the purpose speci- JOSEPH B. THOMPSON.

Witnesses E. E. OoDY, M. lV. ENGLrsH. 

